TCP Port 3136 – grubd

About TCP Port 3136

The Internet Assigned Numbers Authority (IANA) registers port 3136 for grubd. The IANA description reads: ‘Grub Server Port’. This port is referenced in 1 IDS rule and exhibits low malware activity in monitored traffic.

IDS Rule References

1 IDS / security rule reference TCP port 3136. Presence in IDS rules does not mean traffic on this port is malicious. These are patterns security tools monitor.

Rule categories (top 1): trojan-activity (1).

Sample rule descriptions for TCP port 3136:

• MALWARE-CNC DoomJuice/mydoom.a backdoor upload/execute

Malware Activity

Some malware indicators are observed on this port.

1 of 1 IDS rule for TCP port 3136 involve malware activity.

Families observed (top 1): DoomJuice (1).

Data Sources

This information is compiled from: IANA Service Name and Transport Protocol Port Number Registry and Snort Community Rules (GPLv2).